Sour, Salty, and Fermented — Here’s How Sauerkraut Supports Gut Health

Learn more about the health benefits of fermented foods like sauerkraut, which may give your gut a protective boost.

By Sam Walters
Apr 15, 2025 10:00 PMApr 15, 2025 9:46 PM
Fermented Food Sauerkraut Gut Healthy Intestinal Inflammation
A new UC Davis study shows that having fermented food like sauerkraut could be good for gut health. (Image Credit: Hector Amezcua / UC Davis)

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Sauerkraut packs a punch, and not just for your taste buds. Famous for its tangy, sour, and slightly salty taste, sauerkraut has long been noted for being both nutritious and healthy, having been tied to a host of anti-inflammatory, antioxidant, and anti-carcinogenic activities. Now, a new study in Applied and Environmental Microbiology adds additional support to sauerkraut’s healthiness, showing that the topping may help out your gut, possibly thanks to its wealth of metabolic products, or metabolites.

“A little bit of sauerkraut could go a long way,” said Maria Marco, a study author and a professor of food science at the University of California, Davis, according to a press release. “We should be thinking about including these fermented foods in our regular diets and not just as a side on our hot dogs.”


Read More: What to Feed Your Microbes

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